<p>某店铺将用于组成套餐的商品记作字符串 <code>goods</code>，其中 <code>goods[i]</code> 表示对应商品。请返回该套餐内所含商品的 <strong>全部排列方式</strong> 。</p>

<p>返回结果 <strong>无顺序要求</strong>，但不能含有重复的元素。</p>

<p>&nbsp;</p>

<p><strong>示例 1：</strong></p>

<pre>
<strong>输入：</strong>goods = "agew"
<strong>输出：</strong>["aegw","aewg","agew","agwe","aweg","awge","eagw","eawg","egaw","egwa","ewag","ewga","gaew","gawe","geaw","gewa","gwae","gwea","waeg","wage","weag","wega","wgae","wgea"]
</pre>

<p>&nbsp;</p>

<p><strong>提示：</strong></p>

<ul>
	<li><code>1 &lt;= goods.length &lt;= 8</code></li>
</ul>

<p>&nbsp;</p>
